STMicroelectronics BUW46: High-Power NPN Bipolar Power Transistor

The BUW46 is a robust and reliable high-power NPN bipolar transistor designed and manufactured by STMicroelectronics. It is engineered for high voltage and high-speed power switching applications, making it an ideal choice for a wide range of electronic circuits. This component is particularly well-suited for industrial and commercial uses where efficiency and performance are of paramount importance.

Key Features

• Voltage and Current Ratings: The BUW46 boasts impressive voltage and current handling capabilities. It can support a collector-base voltage (VCBO) of up to 450V, a collector-emitter voltage (VCEO) of up to 250V, and a collector current (IC) of up to 15A, ensuring it can handle demanding power applications.
• High Switching Speed: With a high transition frequency (ft), this transistor is capable of fast switching, which is essential for applications requiring quick response times.
• Low Saturation Voltage: The low collector-emitter saturation voltage (VCE(sat)) helps to minimize power loss and improve efficiency, which is crucial for power management in electronic systems.
• Robust Design: The BUW46 is built to endure tough conditions, featuring a rugged design that can withstand significant power loads and thermal stresses.

Applications

• Switching regulators
• Inverters
• Motor controls
• Power amplifier applications

Package and Mounting

The BUW46 comes in a TO-3 metal package, which is known for its high thermal conductivity and durability. This package allows for efficient heat dissipation, ensuring the transistor operates within safe temperature ranges even under high power conditions. The device is intended for through-hole mounting, which simplifies the installation process and provides a secure and reliable mechanical and electrical connection.

Quality and Reliability

As with all STMicroelectronics products, the BUW46 is manufactured to meet the highest quality and reliability standards. It undergoes rigorous testing to ensure it meets the specified performance criteria, providing designers and engineers with confidence in its operation for their critical power applications.

For detailed specifications, application notes, and additional resources, interested parties are encouraged to visit the STMicroelectronics website or contact their support team for comprehensive technical support.